oracle统计出的数据怎么放进java中的变量中

Question

如题所述

Answer 1

public Int find(){
Connection conn = null;
int a = 0;
try{
try {
//1 注册驱动程序
Class.forName("oracle.jdbc.driver.OracleDriver");
//2 连接数据库
conn = DriverManager.getConnection("jdbc:oracle:thin:@127.0.0.1:1521:ORCL","scott","tiger");
}catch(Exception e) {
System.out.println("没有得到数据库连接");
e.printStackTrace();